const a  = new Number ('142857');
let n1 = a.toExponential();
console.log(typeof n1);
console.log(n1);

let n2 = a.toFixed();
console.log(typeof n2);
console.log(n2);

let n3= a.toLocaleString();
console.log(typeof n3);
console.log(n3);

let n4 = a.toPrecision();
console.log(typeof n4);
console.log(n4);

let n5 = a.toString();
console.log(typeof n5);
console.log(n5);

let n6 = a.valueOf();
console.log(typeof n6);
console.log(n6);

let n7 = Number.MAX_SAFE_INTEGER;
console.log(typeof n7);
console.log(n7);

let n8 = Number.MAX_SAFE_INTEGER;
console.log(typeof n8);
console.log(n8);

let n9 = Number.EPSILON;
console.log(typeof n9);
console.log(n9);

let n10 = Number.MIN_VALUE;
console.log(typeof n10);
console.log(n10);

let n11 = Number.MIN_VALUE;
console.log(typeof n11);
console.log(n11);

let n12 = Number.NEGATIVE_INFINITY;
console.log(typeof n12);
console.log(n12);

let n13 = Number.NaN;
console.log(typeof n13);
console.log(n13);

let n14 = Number.POSITIVE_INFINITY;
console.log(typeof n14);
console.log(n14);
